425408964 has 24 divisors (see below), whose sum is σ = 1003776480. Its totient is φ = 140209344.

The previous prime is 425408831. The next prime is 425408983. The reversal of 425408964 is 469804524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198094 + ... + 200229.

It is an arithmetic number, because the mean of its divisors is an integer number (41824020).

Almost surely, 2^425408964 is an apocalyptic number.

It is an amenable number.

425408964 is an abundant number, since it is smaller than the sum of its proper divisors (578367516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425408964 is a wasteful number, since it uses less digits than its factorization.

425408964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398419 (or 398417 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 425408964 is about 20625.4445770267. Note that the first 3 decimals coincide. The cubic root of 425408964 is about 752.0883803813.

The spelling of 425408964 in words is "four hundred twenty-five million, four hundred eight thousand, nine hundred sixty-four".